Dr. James Kao, MD | Glendora, CA | Gastroenterology

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Dr. James Kao is a gastroenterologist who specializes in diagnosing and treating conditions affecting the digestive system. They earned their medical degree from Duke University School of Medicine and have been practicing for over two decades. Dr. Kao speaks English fluently to communicate effectively with patients.

Dr. Kao is affiliated with Valley Presbyterian Hospital and practices at Unio Specialty Care locations in Glendora and Arcadia, California. They focus on treating common digestive concerns such as colon polyps, acid reflux, and hemorrhoids. Dr. Kao performs important diagnostic procedures including colonoscopies and both upper and lower endoscopies to help identify and address gastrointestinal issues. Patients have given them an average rating of 4.4 out of 5 stars.

AI-generated from data on this provider profile.

accepting new patients
4.4

48 Ratings
23 years of experience
62 insurance plans accepted
speaks English
Duke University School Of Medicine
38 written reviews
1 award
1 specialty
10 areas of expertise
1 board certification
1 hospital affiliation
2 office locations

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Dr. Kao's Ratings and Reviews

4.4

48 Ratings with 38 written Reviews

Average Wait Time 18 Minutes

How was your appointment with
Dr. Kao?

Patients’ Perspective

Gave an accurate diagnosis: (34) Did WellNeeds Improvement (3)
Had a good bedside manner: (35) Did WellNeeds Improvement (3)
Spent time with me: (35) Did WellNeeds Improvement (4)
Provided follow-up after the visit: (31) Did WellNeeds Improvement (3)
Flexible scheduling: (26) Did WellNeeds Improvement (2)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

Patients consistently praise Dr. James Kao for his exceptional competence, attentive listening, and compassionate care, often highlighting his willingness to thoroughly explain medical procedures and consider holistic treatment approaches. Many reviews commend his professionalism and the courteous, efficient staff at his practice, making appointments a positive experience. However, a few patients noted that Dr. Kao was occasionally rushed and stressed, potentially affecting his bedside manner during particularly busy days. Additionally, there were some remarks about a confirmation text directing patients to an incorrect address, which caused minor inconvenience.

AI-generated from the text of patient reviews

48 ratings & reviews

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Showing 1 to 10 of 38 reviews

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Dr. Kao is one of the best doctors in the states. His competence and knowledge is beyond d extraordinary. The time he puts to hear his patients is more than any other doctor. He doesn't give e up and doesn't miss a thing. You're lucky if youre reading this post and now know to get a hold of Dr. Kao.

March 13th, 2026

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I had a wonderful experience with the gastroenterologist. I highly recommend him to anyone looking for a compassionate and competent gastrointestinal specialist.

November 26th, 2025

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Dr Koa was easy to talk with ans seems genuinely concerned with my health and overall wellbeing. I appreciate his willingness to look toward dietary adjustment as a method of helping my gut.

October 13th, 2025

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Dr Kao is always on time, cares about your treatment. He has a great staff as well. I highly recommend him. Great Doctor.

June 18th, 2025

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Great visit with Dr Kao. He listens attentively and provides great feedback. He showed genuine and care for my mom. The staff was outstanding ! Jennifer was so patient and kind checking us in.

May 8th, 2025

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Dr. Kao took the time to explain to me the results of all the tests and X-rays I had during my time in the hospital. He answered all my questions and never tried to rush my time with him.

March 27th, 2025

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Excellent doctor, he listens, he shows that he really cares for the patients health, he really is the best gastroenterologist I’ve ever known and Anna his assistant is super great with the best attitude and great communication skills.

February 19th, 2025

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Great experience. The confirmation text that is sent the day prior to the appointment maps you to the wrong address so make sure you manually punch in the office for correct directions. The building it sends you to is super sketchy. This isnt a complaint, just meant to be informative.

February 7th, 2025

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Explains things well and answered all my questions

February 4th, 2025

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The staff was very professional and Dr Koa was informative.

July 31st, 2024

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Click for our Methodology

Unio Specialty Care - Gastroenterology

552 W Foothill Blvd Ste 200Glendora, CA 91741

Tel: (626) 659-5434

Unio Specialty Care - Gastroenterology

488 E SANTA CLARA ST STE 203ARCADIA, CA 91006

Tel: (626) 659-5404


Dr. James Kao, MD	Chimdi Mfebe, APRN	Ji Soo Choi, APRN	Bhavana Akotia, PA-C
Gastroenterology	Gastroenterology	Gastroenterology	Gastroenterology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.4 (48 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
23 Years of Experience
No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks English	Speaks English	Speaks English	Speaks English
Glendora , CA	Little Rock , AR	SACRAMENTO , CA	Tempe , AZ
Med School: Duke University School Of Medicine	Med School: Chamberlain University College of Nursing	Med School: New York University	Med School: Charles R Drew University
Current Profile	View Profile	View Profile	View Profile

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Gastroenterology

Abdominal Pain
Acid Reflux Disease (Gastroesophageal Reflux / GERD)
Acid Reflux Disease (GERD)
Celiac Disease
Colonoscopy
Constipation
Hemorrhoids
Hepatitis C
Irritable Bowel Syndrome (IBS)
Ulcerative Colitis

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Medical School

Duke University School Of MedicineGraduated in 2003

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What languages does Dr. James Kao speak?: Dr. James Kao speaks English.
How can I make an appointment with Dr. James Kao?: You can find contact information for Dr. James Kao here on Vitals.
Where is Dr. James Kao's office located?: Dr. James Kao's office is located at 552 W Foothill Blvd Ste 200, Glendora, CA, 91741.
Is Dr. James Kao accepting new patients?: Dr. James Kao is accepting new patients on Vitals. View Dr. James Kao's profile on Vitals to make an appointment.
Does Dr. James Kao accept my insurance?: You can see the insurance plans that Dr. James Kao accepts on their Vitals profile.

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